5.2×3= | 0.7×0.9= |
0.72÷0.08= | 1.28÷4= |
两个因数相乘的积一定比第一个因数(零除外)大
大于0而小于1的两个小数,它们的积比原来每个数都小
0.21÷2.1= 36÷1.8=
9×20.7= 3.54×10=
0.8×0.01= 4.8÷3=
3.6÷3.6= 5.75×0=
10.2×6.5= | 5.5×1.08= |
0.2×25= 3.5÷0.05= 0.6×0.7= 24.3×0.3=
3÷6= 0.48÷0.6= 1.5×0.6= 8×0.04=
验算:
①10-3.56=
②0.32×0.8=
③21.35-6.08=
④2.6×0.55=
⑤4.76+6.57=
⑥4.8×1.2=
①0.28×0.37=
②4.8×3.6=
③451×0.12=
④20.6×0.52=
⑤0.527×0.25=
⑥3.2×0.47=
<<