7.56÷7.2=
100.7÷95=
59÷11≈
8.6÷0.12≈
0.012÷0.25≈
1.8÷2.5=
16÷25=
0.4÷0.3=
5.7÷9≈
3.6÷3=
7.8÷6=
0÷4=
9.9÷9=
56.7÷7=
4.8÷4=
0.5×4=
4.2÷0.7=
2.4÷0.06=
0.24÷3=
1.2×6=
7.8-3.9=
1-0.2÷0.2=
0.42=
0÷3.86=
0.3×2÷0.3×2=
10.05÷32≈ 4.035÷2.4≈
40.91÷51≈ 32÷32.3≈
①4.872÷2.4
②11.7÷0.18
③3.84×2.6≈(精确到小数点两位)
④0.94×1.6=
⑤5.63÷7.8
⑥4÷15
※0.421÷0.7
14÷0.56
4.64÷0.13
( )
①11+2x=12
②0.7x+3.6x=43
③7:x=:
④
⑴a和b的最大公因数是多少?
⑵a和b的最小公倍数是多少?
A .15
B .30
C .45
D .90