24÷6= 4×4= 16÷4= 17+5=
24-6= 4÷4= 1×1= 0÷6=
5÷1= 4+4= 9÷3= 2×6=
6÷2= 4-4= 5×8= 20÷5=
6×2= 48÷8= 4×7= 20-5=
0÷5= 17+7= 30÷5= 25÷5=
分析:乘除法運(yùn)用乘法口訣計(jì)算;注意0÷6,0÷5根據(jù)0除以任何不為0的數(shù)都得0;加減法注意進(jìn)位和退位.
解答:
解:24÷6=4, 4×4=16, 16÷4=4, 17+5=22,
24-6=18, 4÷4=1, 1×1=1, 0÷6=0,
5÷1=5, 4+4=8, 9÷3=3, 2×6=12,
6÷2=3, 4-4=0, 5×8=40, 20÷5=4,
6×2=12, 48÷8=6, 4×7=28, 20-5=15,
0÷5=0, 17+7=24, 30÷5=6, 25÷5=5.
故答案為:4,16,4,22,18,1,1,0,5,8,3,12,3,0,40,4,12,6,28,15,0,24,6,5.
點(diǎn)評(píng):本題考查了基本的計(jì)算,計(jì)算時(shí)要細(xì)心,看清楚運(yùn)算符合.
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