简便计算43×99+4337-25+47-35512×113-14÷133.5×98+35×0.2250×15+250×45113×12.5×910×8.-数学
题文
简便计算
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答案
(1)43×99+43, =43×(99+1), =43×100, =4300; (2)
=(
=1-1, =0; (3)
=
=(
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题文
简便计算
|
答案
(1)43×99+43, =43×(99+1), =43×100, =4300; (2)
=(
=1-1, =0; (3)
=
=(
|