一、口算。
$56 + 64 =$
$5×16 =$
$90÷5 =$
$95×2 =$
$72÷6 =$
$60×60 =$
$23×20 =$
$120×2 =$
$750 - 460 =$
$630÷9 =$
$87×10 =$
$100÷5 =$
$460÷2 =$
$44×20 =$
$40×12 =$
$20×31 =$
$131×5 =$
$33×30 =$
$750÷5 =$
$40×22 =$
$20×43 =$
$101×8 =$
$10×64 =$
$102÷3 =$
$56 + 64 =$
$5×16 =$
$90÷5 =$
$95×2 =$
$72÷6 =$
$60×60 =$
$23×20 =$
$120×2 =$
$750 - 460 =$
$630÷9 =$
$87×10 =$
$100÷5 =$
$460÷2 =$
$44×20 =$
$40×12 =$
$20×31 =$
$131×5 =$
$33×30 =$
$750÷5 =$
$40×22 =$
$20×43 =$
$101×8 =$
$10×64 =$
$102÷3 =$
答案
一、120 80 18
190 12 3600
460 240 290
70 870 20
230 880 480
620 655 990
150 880 860
808 640 34
190 12 3600
460 240 290
70 870 20
230 880 480
620 655 990
150 880 860
808 640 34
二、计算下面各题。
$18×3×44$
$36×4×9$
$6×7×35$
$32×20×3$
$4×41×5$
$3×13×81$
$18×3×44$
$36×4×9$
$6×7×35$
$32×20×3$
$4×41×5$
$3×13×81$
答案
二、2376 1296 1470
1920 820 3159
1920 820 3159
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