问题 解答题
口算:
37+55=
60+370=54+46=513-31=42-29=
142+703=100-86=99+78=16×50=12×8=
76×4=5×32=23×5=28×2=5400÷90=
824÷8=480÷60=780÷60=140÷70=52×11=
15×6=364÷1=0÷897=120÷5=72÷3=
88÷22=24×10=4×25=13×7=20×90=
800÷20=4700÷47=903÷3=2400÷300=125×8=
1280÷4=25×6×4=34×5×2=200-58-42=83×6+17×6=
答案

37+55=92,60+370=430,54+46=100,513-31=482,42-29=13,
142+703=845,100-86=14,99+78=177,16×50=800,12×8=96,
76×4=304,5×32=160,23×5=115,28×2=56,5400÷90=60,
824÷8=103,480÷60=8,780÷60=13,140÷70=2,52×11=572,
15×6=80,364÷1=364,0÷897=0,120÷5=24,72÷3=24,
88÷22=4,24×10=240,4×25=100,13×7=91,20×90=1800,
800÷20=40,4700÷47=100,903÷3=301,2400÷300=8,125×8=1000,
1280÷4=320,25×6×4=600,34×5×2=340,200-58-42=100,83×6+17×6=600.

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