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1. 直接写出得数。
$3.6÷0.6=$
$0.32+0.8=$
$80-12.9=$
$7.8+1.2-2.7=$
$10.4-9.6=$
$0.17×3=$
$2.7×0.1=$
$2÷0.2×10=$
$0.45×101=$
$4.2×0.5=$
$1.4÷7=$
$(5.6+2.4)×0.5=$
$5.36-2.38=$
$125÷50=$
$4×0.54=$
$8÷0.2×0.5=$
$7.2+5.04=$
$80×0.8=$
$6÷0.12=$
$3.4+1.8-2.9=$
$7.5÷1.5=$
$100÷1.25=$
$0.6×0.13=$
$12.5×2÷5=$
$9.9÷0.11=$
$4×0.75=$
$0.11×80=$
$1.25×16÷2=$
$6.7-5.9=$
$6×1.5=$
$0.21÷0.03=$
$3.3-0.5+1.7=$
$5.32-5.3=$
$6.5÷0.5=$
$13.2×0.5=$
$3.6+3.6÷9=$
$1.29÷3=$
$2.7×0.3=$
$8.04÷0.4=$
$5.7+2.8-2.7=$
$3.6÷0.6=$
$0.32+0.8=$
$80-12.9=$
$7.8+1.2-2.7=$
$10.4-9.6=$
$0.17×3=$
$2.7×0.1=$
$2÷0.2×10=$
$0.45×101=$
$4.2×0.5=$
$1.4÷7=$
$(5.6+2.4)×0.5=$
$5.36-2.38=$
$125÷50=$
$4×0.54=$
$8÷0.2×0.5=$
$7.2+5.04=$
$80×0.8=$
$6÷0.12=$
$3.4+1.8-2.9=$
$7.5÷1.5=$
$100÷1.25=$
$0.6×0.13=$
$12.5×2÷5=$
$9.9÷0.11=$
$4×0.75=$
$0.11×80=$
$1.25×16÷2=$
$6.7-5.9=$
$6×1.5=$
$0.21÷0.03=$
$3.3-0.5+1.7=$
$5.32-5.3=$
$6.5÷0.5=$
$13.2×0.5=$
$3.6+3.6÷9=$
$1.29÷3=$
$2.7×0.3=$
$8.04÷0.4=$
$5.7+2.8-2.7=$
答案
1. 6 1.12 67.1 6.3 0.8 0.51 0.27 100 45.45 2.1 0.2 4 2.98 2.5 2.16 20 12.24 64 50 2.3 5 80 0.078 5 90 3 8.8 10 0.8 9 7 4.5 0.02 13 6.6 4 0.43 0.81 20.1 5.8
2. 解方程。
$x+7=19.5$
$0.8x=3.92$
$x÷0.8=1.2$
$1.37+x=5.06$
$x÷34=0.2$
$x-19.3=32.8$
$x+7=19.5$
$0.8x=3.92$
$x÷0.8=1.2$
$1.37+x=5.06$
$x÷34=0.2$
$x-19.3=32.8$
答案
2. $ x = 12.5 $ $ x = 4.9 $ $ x = 0.96 $ $ x = 3.69 $ $ x = 6.8 $ $ x = 52.1 $
右图中每层摆放的体育用品总价相等。从图中可以看出：
1个
的价钱=(
的价钱
1根
的价钱=(的价钱
1个
的价钱=(2
)只的价钱1根
的价钱=(3
)只的价钱答案
·思维提升
2 3
2 3
