算式里有括号的,要先算括号里面的.(16+72)÷4 (36+45)×5 (42-18)×6 (100-36)÷16 16×(3

2024-12-27 18:29:32
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回答1:

(1)(16+72)÷4
=88÷4
=22;

(2)(36+45)×5
=81×5
=405;

(3)(42-18)×6
=24×6
=144;

(4)(100-36)÷16
=64÷16
=4;

(5)16×(32÷4)
=16×8
=128;

(6)128÷(8×4)
=128÷32
=4;

(7)19×(41-27)
=19×14
=266;

(8)96÷(18+14)
=96÷32
=3;

(9)128-(160-116)
=128-44
=84;

(10)36÷(96÷16)
=36÷6
=6;

(11)412-(136+116)
=412-252
=160;

(12)112÷(7×8)
=112÷56
=2.