初一数学测试题含答案

初一上册数学几何应用题20题,加答案?

初一上册数学几何应用题20题,加答案?

1.小明的爸爸3年前微笑名存了一份3000元的教育储存,今年到期是能取出3450元。请你帮小明算一算这种教育储存的年利率。解:设年利率为X%。
3000(1 x/100)3450
3000 30x3450
30x450
x15
答:年利率为15%。2.多项式axy的2次方与bxy的2次方 3/4x的和是一个单项式,则ab的关系是( )
3.如果多项式x的2次方 2axy x的2次方 y的2次方-6xy 9中不含xy的项,则a等于( )
4.合并同类项:- 2/3ab的3次方 - 2a的3次方b - 1/2a的3次方b - ab的2次方 - 1/2a的2次方b - a的3次方b
5.化简:- [-(-a的2次方)-b的2次方 ]- [ (-b的2次方)]2.多项式axy的2次方与bxy的2次方 3/4x的和是一个单项式,则ab的关系是( a b0 互为相反数 )
3.如果多项式x的2次方 2axy x的2次方 y的2次方-6xy 9中不含xy的项,则a等于(3 )
2a-60 a3
4.合并同类项:- 2/3ab的3次方 - 2a的3次方b - 1/2a的3次方b - ab的2次方 - 1/2a的2次方b - a的3次方b
- 2/3ab的3次方-7/2a的3次方b-3/2ab的2次方
5.化简:- [-(-a的2次方)-b的2次方 ]- [ (-b的2次方)]
-[a的2次方-b的2次方 ]- [-b的2次方]
-a的2次方 b的2次方 b的2次方
-a的2次方 2b的2次方

初一上册数学200道口算题(题后面要答案)难点的,最好要用笔算?

0.51÷17=0.03 32.8+19=51.8 5.2÷1.3=4 1.6×0.4=0.644.9×0.7=3.53 1÷5=0.2 6÷12=0.5 0.87-0.49=0.3817×40=680 100-63=37 3.2+1.68=4.88 2.8×0.4=1.1214-7.4=6.6 1.92÷0.04=48 0.32×500=160 0.65+4.35=510-5.4=4.6 4÷20=5 3.5×200=700 1.5-0.06=1.440.75÷15=0.05 0.4×0.8=0.28 4×0.25=1 0.36+1.54=21.01×99=99.99 420÷35=12 25×12=300 135÷0.5=2703/4 1/4 1 2 4/9 2又4/9 3 - 2/3 2又1/3 3/4 - 1/21/41/6 1/2 -1/6 1/2 7.5-(2.5 3.8)1.2 7/8 3/8 5/43/10 1/5 1/2 4/5 - 7/10 1/10 2 - 1/6 -1/3 1又1/20.51÷17=0.03 32.8+19=51.8 5.2÷1.3=4 1.6×0.4=0.644.9×0.7=3.43 1÷5=0.2 6÷12=0.5 0.87-0.49=0.3817×40=680 100-63=37 3.2+1.68=4.88 2.8×0.4=1.1214-7.4=6.6 1.92÷0.04=48 0.32×500=160 0.65+4.35= 510-5.4=4.6 4÷20=1/5 3.5×200=700 1.5-0.06=1.440.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=4.9×0.7= 1÷5= 6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68= 2.8×0.4=14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=10-5.4= 4÷20= 3.5×200= 1.5-0.06=0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=1.01×99= 420÷35= 25×12= 135÷0.5=3/4 1/4 2 4/9 3 - 2/3 3/4 - 1/21/6 1/2 -1/6 7.5-(2.5 3.8) 7/8 3/8 3/10 1/5 4/5 - 7/10 2 - 1/6 -1/3 123 25148 123-3588 56×7392 135÷527248 89337 ... 146-23123 ... 155×5775 ... 456-1238...456 45501 ...546-45789 ... 45×10451 ... 564-1247...879 54933 ...896-546350 ...56×12672.... 45-59...457 456913...0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4