计算.100-23×3=64÷2+38=(100-56)÷4=20+80×3=75+25×4=(34+56)×7=96-180÷3

2025-06-26 17:44:18
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回答1:

(1)100-23×3,
=100-69,
=31;

(2)64÷2+38,
=32+38,
=70;

(3)(100-56)÷4,
=44÷4,
=11;

(4)20+80×3,
=20+240,
=260;

(5)75+25×4,
=75+100,
=175;

(6)(34+56)×7,
=90×7,
=630;

(7)96-180÷3,
=96-60,
=36.