2018年暑期小学四年级口算练习题(七十九)
2018年暑期小学四年级口算练习题(七十九)90-55= 90-35= 32+3×20= 120÷40+20= (170+40)÷30=
30-12= 180-72= 32+3-20= 180-36-44= (95-20)÷25=
80-29= 180-50= 56-7×8= 40×(38+12)= 350÷(50+20)=
60-35= 90-33= 56÷7×8= 160-(95-15)= 72÷(12×3)=
50-27= 180-107= 17×3+20= 810÷(5×18)= 28+56÷28=
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