这块草坪的面积大约是{#blank#}1{#/blank#}平方米.

用计算器计算面积是{#blank#}2{#/blank#}平方米

0.18{#blank#}1{#/blank#}0.108        2.1{#blank#}2{#/blank#}2.10         3.2×1.02{#blank#}3{#/blank#}3.2×0.98

7.8×0.5{#blank#}4{#/blank#}7.8+0.5    0.9×0.72{#blank#}5{#/blank#}0.9    0.89×27{#blank#}6{#/blank#}2.7

1.4×0.2=                  3÷0.5=                       0.7×0.9=

5.8÷100=                 0.5×32=                      24÷0.3=

50.2×2.9=          17.1÷0.38=        2.56×0.98≈         3.25÷0.96≈